Do I Have Diabetes Quiz: Recognize Symptoms, Understand Types & Take Action
Take our do i have diabetes quiz & learn diabetic ketoacidosis symptoms, type differences, and warning signs. Free practice questions. 🎯

If you have been wondering whether your thirst, fatigue, or frequent urination could mean something serious, a do i have diabetes quiz is a useful first step toward understanding your risk. Diabetes affects more than 37 million Americans, and millions more are living with undiagnosed prediabetes right now. Recognizing the warning signs early — including diabetic ketoacidosis symptoms like fruity-smelling breath, rapid breathing, and extreme nausea — can be the difference between catching a manageable condition and facing a life-threatening emergency. This article walks you through everything you need to know.
Understanding diabetes starts with knowing what the condition actually does to your body. Diabetes is a chronic metabolic disorder in which the body either does not produce enough insulin or cannot use insulin effectively. Insulin is the hormone that allows glucose from the food you eat to enter your cells and power them. Without proper insulin function, glucose builds up in the bloodstream, leading to chronically high blood sugar levels that damage blood vessels, nerves, kidneys, eyes, and other vital organs over time. The condition is lifelong in most cases but is very manageable with education and the right tools.
There are several distinct forms of diabetes, and knowing the difference between type 1 and type 2 diabetes is critically important because the causes, treatment approaches, and daily management strategies differ substantially between them. Type 1 is an autoimmune condition in which the immune system destroys insulin-producing beta cells in the pancreas.
Type 2, by far the most common form, develops when the body becomes resistant to insulin or when the pancreas gradually loses its ability to produce enough of it. Gestational diabetes occurs during pregnancy and resolves after delivery in most cases, though it raises lifetime risk for type 2.
The warning signs of diabetes are often subtle in the early stages, which is exactly why so many people go undiagnosed for years. Classic symptoms include increased thirst, frequent urination (particularly at night), unexplained weight loss, blurry vision, slow-healing cuts or bruises, frequent infections, and persistent fatigue. These symptoms appear because excess glucose in the blood draws water out of cells, leading to dehydration and a cascade of physiological effects. If you experience several of these symptoms at once, taking a self-assessment quiz and then following up with your doctor is the responsible next move.
Diabetic ketoacidosis, or DKA, is one of the most dangerous acute complications of diabetes and occurs primarily in people with type 1 diabetes, though it can occur in type 2 as well. DKA develops when the body, lacking enough insulin to use glucose, begins breaking down fat for fuel instead. This process produces ketones, acidic byproducts that accumulate in the blood. Symptoms include nausea, vomiting, abdominal pain, rapid breathing, confusion, and the characteristic fruity odor on the breath. DKA is a medical emergency requiring immediate hospital treatment, which is why recognizing its symptoms matters enormously.
Taking a diabetes self-assessment quiz does not replace a medical diagnosis — only a fasting blood glucose test, an A1C test, or a glucose tolerance test performed by a licensed healthcare provider can confirm diabetes. However, a well-structured quiz can help you identify your level of risk, understand which symptoms warrant urgent attention, and build the vocabulary to have a productive conversation with your doctor. The quizzes and practice questions on PracticeTestGeeks are designed by medical education specialists to reinforce evidence-based knowledge about diabetes pathophysiology, management, and complication prevention.
This article covers the most searched and most important diabetes topics in one comprehensive resource: the difference between type 1 and type 2 diabetes, signs of gestational diabetes, whether diabetes can be reversed, snacks for diabetics, gestational diabetes diet principles, and more. Whether you are a patient, a caregiver, a nursing student, or simply a curious reader trying to understand your health better, the information here — combined with our free practice questions — will give you a solid foundation for understanding one of the most prevalent chronic diseases in the United States today.
Diabetes in the US by the Numbers

Type 1 vs Type 2 vs Gestational Diabetes: Key Differences
An autoimmune disease where the immune system destroys insulin-producing beta cells. Requires daily insulin therapy. Typically diagnosed in children or young adults, though it can develop at any age. Not caused by diet or lifestyle.
The most common form. Develops when cells become resistant to insulin or the pancreas cannot keep up. Strongly linked to obesity, physical inactivity, and genetics. Managed with lifestyle changes, oral medications, and sometimes insulin.
Occurs during pregnancy when hormones impair insulin signaling. Usually resolves after delivery but significantly raises the mother's lifetime risk of developing type 2 diabetes. Managed primarily through diet and sometimes insulin.
Blood sugar is higher than normal but not yet in the diabetic range. Affects 96 million US adults. Without intervention, prediabetes commonly progresses to type 2 diabetes within 5 years. Fully reversible with lifestyle changes.
Recognizing the early warning signs of diabetes can help you seek diagnosis and treatment before serious complications develop. The classic symptom cluster — known medically as the "three polys" — consists of polydipsia (excessive thirst), polyuria (frequent urination), and polyphagia (excessive hunger). These occur because elevated blood glucose pulls fluid from tissues, triggers the kidneys to flush excess sugar in urine, and prevents cells from absorbing glucose efficiently, leaving the body perpetually hungry for fuel it cannot access properly.
Beyond the three polys, many people with undiagnosed diabetes report persistent fatigue that does not improve with rest, blurred vision caused by fluid shifts in the lens of the eye, and slow-healing wounds or recurrent infections. The immune impairment associated with high blood sugar makes it harder for the body to fight bacteria and fungi, which is why people with poorly controlled diabetes often struggle with frequent urinary tract infections, skin infections, and gum disease. Numbness or tingling in the hands and feet may also appear, signaling early diabetic neuropathy.
Diabetic ketoacidosis symptoms deserve special attention because DKA can escalate from early warning signs to life-threatening crisis within hours. The earliest DKA symptoms include excessive thirst and urination (similar to uncontrolled diabetes generally), followed by nausea, vomiting, and abdominal pain. As ketones build up, the person begins breathing rapidly and deeply — a pattern called Kussmaul breathing — in an effort to expel carbon dioxide and compensate for blood acidity. Fruity or acetone-like breath odor is a hallmark sign that ketones are present in significant quantities.
The signs of gestational diabetes are often less dramatic and may be caught only through routine prenatal screening rather than obvious symptoms. Most women with gestational diabetes have no noticeable symptoms at all, which is why the American College of Obstetricians and Gynecologists recommends that all pregnant women be screened between weeks 24 and 28 of pregnancy using a glucose challenge test. When symptoms do occur, they may include unusual thirst, more frequent urination than typical pregnancy changes would explain, fatigue, and blurred vision — all of which overlap with normal pregnancy discomforts and are easy to dismiss.
Understanding hypoglycemia — low blood sugar — is equally important for anyone with diabetes or supporting someone who has it. Hypoglycemia typically occurs when someone takes too much insulin or diabetes medication, skips a meal, or exercises more than usual without adjusting their food intake. Symptoms come on quickly and include shakiness, sweating, heart palpitations, confusion, irritability, and in severe cases, loss of consciousness. The standard treatment is the "15-15 rule": consume 15 grams of fast-acting carbohydrates and recheck blood sugar after 15 minutes.
For those interested in studying diabetes for nursing exams, medical certification, or health literacy, it helps to approach the type 1 diabetes barbie doll era of diabetes education with modern clinical context — historical representations of diabetes in popular culture helped normalize the condition but also sometimes oversimplified the daily reality of managing a complex chronic disease. Today's diabetes education resources, including the structured practice tests on this site, are built on the latest clinical guidelines from the American Diabetes Association and the Centers for Disease Control and Prevention.
Regular blood sugar monitoring is the cornerstone of diabetes self-management. People with type 1 diabetes typically check their blood glucose four or more times per day — before meals, two hours after meals, before exercise, and at bedtime. People with type 2 diabetes who take insulin may have similar monitoring requirements, while those managing with oral medications alone may check less frequently. Continuous glucose monitors (CGMs) have transformed this process by providing real-time glucose readings every few minutes, alerting the user to rapid changes before they become dangerous, and generating data that helps healthcare providers fine-tune treatment plans.
Snacks for Diabetics, Diet Strategies & Nutrition Essentials
Choosing the right snacks for diabetics means prioritizing foods that are low on the glycemic index, high in fiber, and contain some protein or healthy fat to slow glucose absorption. Excellent options include a small handful of unsalted almonds or walnuts, celery sticks with natural peanut butter, a hard-boiled egg, plain Greek yogurt with a few berries, or a small apple paired with a tablespoon of almond butter. These combinations deliver sustained energy without causing rapid blood sugar spikes.
Foods to avoid as snacks include refined carbohydrates like white crackers, sweetened yogurt, fruit juice, regular soda, candy, and most packaged cookies or chips. These items cause rapid glucose surges followed by crashes that increase hunger and make blood sugar control much harder throughout the day. Reading nutrition labels carefully, paying attention to total carbohydrates (not just sugar), and keeping portions consistent are habits that help people with diabetes snack smartly without feeling deprived.

Early Diagnosis vs. Delayed Diagnosis: Why Timing Matters
- +Prevents or delays development of serious complications like kidney disease, blindness, and neuropathy
- +Allows lifestyle intervention during prediabetes when the condition may still be fully reversible
- +Enables earlier access to effective medications that protect the heart and kidneys
- +Reduces long-term healthcare costs through preventive management rather than emergency care
- +Gives patients time to build sustainable habits around diet, exercise, and monitoring
- +Improves quality of life by managing symptoms before they significantly impact daily functioning
- −Diagnosis can cause significant psychological stress, anxiety, or depression in some individuals
- −Ongoing monitoring, medication, and medical appointments require time and financial investment
- −Insurance coverage for continuous glucose monitors and newer medications is inconsistent
- −Dietary restrictions can feel socially isolating at meals, celebrations, and travel
- −Fear of complications can be overwhelming and counterproductive if not addressed with support
- −Some people face workplace discrimination or insurance challenges after a diabetes diagnosis
Diabetes Self-Assessment Checklist: Know Your Risk
- ✓Track whether you experience excessive thirst or dry mouth that persists throughout the day.
- ✓Note if you urinate more frequently than usual, especially multiple times during the night.
- ✓Check whether wounds, cuts, or bruises on your skin are taking unusually long to heal.
- ✓Assess whether you have been experiencing unexplained fatigue even after adequate sleep.
- ✓Record any recent unexplained weight loss, particularly if you have not changed your diet.
- ✓Monitor your vision for sudden blurring or difficulty focusing that was not present before.
- ✓Identify whether you have frequent infections such as yeast infections, UTIs, or skin infections.
- ✓Consider your family history — having a parent or sibling with type 2 diabetes raises your risk significantly.
- ✓Evaluate your physical activity level — less than 150 minutes per week of moderate exercise is a known risk factor.
- ✓Schedule an A1C or fasting blood glucose test with your healthcare provider if you checked three or more items above.
A1C Below 5.7% Is Normal — Above 6.5% Confirms Diabetes
The A1C test measures your average blood sugar over the past two to three months by calculating the percentage of hemoglobin coated with glucose. A result below 5.7% is considered normal, 5.7–6.4% indicates prediabetes, and 6.5% or higher on two separate tests confirms a diabetes diagnosis. Unlike a fasting blood glucose test, the A1C does not require fasting and reflects long-term glucose control rather than a single-moment snapshot.
One of the most common and hopeful questions people ask after a diabetes diagnosis is: can diabetes be reversed? The answer depends significantly on the type of diabetes and how early intervention begins. For type 1 diabetes, reversal is not currently possible because the autoimmune destruction of insulin-producing beta cells is essentially permanent. However, for type 2 diabetes and prediabetes, the evidence for remission through intensive lifestyle intervention is compelling and growing stronger every year.
Research published in leading medical journals including The Lancet has demonstrated that type 2 diabetes can go into remission — defined as an A1C below 6.5% without diabetes medications for at least three months — through substantial weight loss, typically 15% or more of body weight.
The landmark DiRECT trial in the UK found that approximately 46% of participants who followed an intensive dietary intervention achieved remission at one year, and 36% maintained remission at two years. These results have fundamentally changed how clinicians and patients think about type 2 diabetes as a potentially reversible condition rather than an inevitable lifelong sentence.
The mechanisms behind diabetes remission involve reducing fat accumulation in the liver and pancreas. Excess fat in these organs is now understood to be a primary driver of insulin resistance and impaired insulin secretion in type 2 diabetes.
When people lose significant weight through caloric restriction, very low-calorie diets, or bariatric surgery, fat content in both organs drops rapidly, insulin sensitivity improves, and in some cases the pancreatic beta cells recover enough function to maintain normal blood glucose without medication. The earlier in the course of the disease this intervention occurs, the more likely remission is to be achieved and sustained.
For people with prediabetes specifically, the Diabetes Prevention Program (DPP) — a landmark US clinical trial — showed that lifestyle intervention reducing body weight by 5–7% and increasing physical activity to 150 minutes per week reduced the risk of progressing to type 2 diabetes by 58% over three years. This is a more dramatic effect than was achieved with metformin medication alone in the same study. The CDC now supports a network of recognized DPP programs across the country, many of which are available online and covered by Medicare and many private insurers.
It is important to note that "reversal" or "remission" of type 2 diabetes does not mean the underlying predisposition disappears. People who achieve remission still need to maintain their healthy lifestyle changes to sustain it — if old eating habits return and weight is regained, blood sugar typically rises back into the diabetic range. Regular monitoring of A1C every six to twelve months remains important even for those in remission. Think of it less like curing a disease and more like managing a deeply lifestyle-linked condition that responds powerfully to the right inputs.
Bariatric surgery, particularly gastric bypass and sleeve gastrectomy, achieves diabetes remission at even higher rates than lifestyle intervention alone, often with dramatic results within days of surgery — before significant weight loss even occurs. This phenomenon has led researchers to investigate the metabolic and hormonal mechanisms beyond simple caloric restriction, including changes in gut hormones like GLP-1 that powerfully influence insulin secretion and appetite. These discoveries have directly inspired the development of GLP-1 receptor agonist medications, which have become some of the most prescribed and impactful drugs in modern diabetes care.
Gestational diabetes follows a different trajectory. In most cases, blood sugar returns to normal within a few weeks of delivery as pregnancy hormones normalize. However, women who had gestational diabetes have a 40–60% lifetime risk of developing type 2 diabetes, which makes postpartum follow-up essential. The American Diabetes Association recommends that women who had gestational diabetes be tested for persistent diabetes or prediabetes six to twelve weeks after delivery and then every one to three years thereafter, even if they feel entirely well. Breastfeeding, maintaining a healthy weight, and staying physically active all help reduce this lifetime risk substantially.

If you or someone you know experiences the following combination of symptoms, seek emergency medical care immediately: fruity or acetone-smelling breath, rapid or labored breathing, severe nausea or vomiting, confusion or difficulty staying awake, and abdominal pain. These are classic signs of diabetic ketoacidosis (DKA), a potentially fatal complication that requires IV fluids, electrolyte replacement, and insulin administration in a hospital setting. Do not attempt to treat DKA at home — call 911 or go to the nearest emergency room.
Managing diabetes effectively goes far beyond blood sugar numbers — it requires a comprehensive approach that addresses foot care, eye health, cardiovascular risk, kidney function, mental health, and dental care. This holistic perspective is why diabetes management is often delivered by a multidisciplinary team that may include an endocrinologist, diabetes educator, registered dietitian, ophthalmologist, podiatrist, nephrologist, and mental health professional. Understanding the breadth of diabetes care is particularly important for nursing students, medical assistants, and other healthcare professionals preparing for certification exams.
Foot care is critically important in diabetes because peripheral neuropathy — nerve damage in the feet — is extremely common and reduces the ability to feel pain, pressure, heat, and cold. This means that minor foot injuries like blisters, cuts, or calluses can go unnoticed and worsen into serious infections.
In severe cases, diabetic foot infections can progress to osteomyelitis (bone infection) or gangrene, which may require amputation. More than 60% of all non-traumatic lower limb amputations in the United States occur in people with diabetes. Wearing properly fitted diabetic shoes, inspecting feet daily, and never going barefoot are foundational preventive practices.
The connection between diabetes and eye health is also profound and requires regular attention. Diabetic retinopathy is the leading cause of new cases of blindness among working-age adults in the United States. It develops when high blood sugar damages the tiny blood vessels in the retina, causing them to leak fluid, swell, or grow new fragile vessels that bleed easily.
Early-stage diabetic retinopathy often has no symptoms at all, which is why the American Diabetes Association recommends annual dilated eye exams for all people with diabetes. You can learn more about eye complications and recommended screening protocols with our gestational diabetes diet and eye health resource.
Kidney disease (diabetic nephropathy) is another major complication that affects approximately 40% of people with diabetes over the course of their lifetime. The kidneys contain millions of tiny filtering units called glomeruli, and chronic high blood sugar damages these delicate structures over many years. Early kidney damage is detectable through urine tests that measure albumin (a protein that should not normally appear in urine) and blood tests that track the glomerular filtration rate. Tight blood pressure control — typically targeting under 130/80 mmHg — alongside good blood glucose management significantly slows the progression of diabetic kidney disease.
Cardiovascular disease is the leading cause of death in people with diabetes, accounting for approximately 50% of all deaths in this population. People with type 2 diabetes have two to four times the risk of cardiovascular events compared to people without diabetes, and this risk is compounded by the frequent co-occurrence of hypertension, high cholesterol, obesity, and physical inactivity.
Modern diabetes medications including SGLT-2 inhibitors and GLP-1 receptor agonists have demonstrated robust cardiovascular protective effects in large clinical trials, which is why they are now recommended as preferred second-line agents for people with type 2 diabetes who have established cardiovascular disease or high cardiovascular risk.
Mental health is an underappreciated but critically important dimension of diabetes care. Living with a chronic condition that requires constant self-monitoring, dietary vigilance, medication management, and the awareness of serious potential complications takes a significant psychological toll.
Studies consistently find that people with diabetes have two to three times higher rates of depression than the general population, and that depression significantly worsens glycemic control — creating a vicious cycle in which poor mental health leads to poor diabetes management, which in turn worsens mood and well-being. Integrating mental health screening and support into routine diabetes care is now considered a best practice standard.
Dental health rounds out the comprehensive picture of diabetes complications. People with poorly controlled diabetes are significantly more prone to gum disease (periodontitis), dry mouth, thrush, and other oral health problems. Conversely, severe gum disease can worsen blood sugar control by triggering systemic inflammation. This bidirectional relationship means that good oral hygiene, regular dental checkups, and prompt treatment of gum disease are not optional add-ons to diabetes care — they are integral components of overall metabolic health management that every person with diabetes should prioritize alongside their other self-care practices.
Building a sustainable daily routine is the foundation of long-term diabetes success. People who manage diabetes well over decades are not necessarily those with the most willpower — they are the ones who have systematically made healthy behaviors the path of least resistance in their daily lives. This means stocking the kitchen with appropriate foods, establishing consistent meal times, scheduling exercise as a non-negotiable appointment, setting medication reminders, and building relationships with healthcare providers they trust and can communicate openly with. Small, consistent habits compound into dramatically better health outcomes over time.
Physical activity is one of the most powerful tools in the diabetes management toolkit, with effects that rival or exceed those of many medications. Exercise increases glucose uptake by muscle cells through an insulin-independent pathway, which is especially beneficial for people with insulin resistance. Aerobic exercise — brisk walking, cycling, swimming, or dancing — improves insulin sensitivity for up to 72 hours after a single session.
Resistance training builds lean muscle mass, which is metabolically active tissue that continuously helps clear glucose from the bloodstream. The ADA recommends a combination of at least 150 minutes of moderate aerobic activity and two to three sessions of resistance training per week.
Sleep quality is an often-overlooked variable in blood sugar control. Research shows that even a single night of poor sleep increases insulin resistance the following day. People with diabetes who have untreated obstructive sleep apnea — which is very common given the association between obesity and both conditions — struggle disproportionately with blood sugar control. Treating sleep apnea with a CPAP device has been shown to improve A1C levels. Aiming for seven to nine hours of quality sleep per night, maintaining a consistent sleep schedule, and addressing sleep disorders are legitimate and effective components of diabetes management.
Stress management is similarly important because psychological stress triggers the release of cortisol and adrenaline, both of which raise blood glucose directly by stimulating glycogen breakdown in the liver and impairing insulin action. People with diabetes often notice significantly higher blood sugar readings during periods of illness, work stress, family conflict, or emotional upheaval. Mindfulness-based stress reduction, regular physical activity, adequate sleep, social support, and professional mental health care are all evidence-based strategies for reducing the glycemic impact of chronic stress in people with diabetes.
Technology has transformed diabetes management in remarkable ways over the past decade. Continuous glucose monitors (CGMs) like the Dexterity G7 and Abbott FreeStyle Libre provide real-time glucose readings every few minutes, trend arrows that show whether glucose is rising or falling, and customizable alerts for high and low readings.
Insulin pumps deliver precise doses of rapid-acting insulin continuously and can be programmed to adjust basal rates throughout the day and night. Hybrid closed-loop systems — sometimes called "artificial pancreas" systems — combine CGM data with insulin pump delivery algorithms to automatically adjust insulin in real time, dramatically reducing the cognitive burden of moment-to-moment diabetes management.
Community support makes a measurable difference in diabetes outcomes. Whether through in-person diabetes support groups, online communities, or structured programs like the Diabetes Self-Management Education and Support (DSMES) services covered by Medicare, connecting with others who understand the daily reality of living with diabetes reduces feelings of isolation and provides practical tips that clinicians may not have time to share. Research shows that participation in DSMES programs is associated with lower A1C levels, better self-care behaviors, and higher quality of life scores across all diabetes types and demographic groups.
As you continue building your diabetes knowledge — whether for personal health, supporting a loved one, or preparing for a healthcare certification exam — structured practice questions are one of the most efficient tools available. Testing yourself on the topics covered in this article, reviewing rationales for questions you miss, and progressively advancing to more challenging material mirrors the evidence-based learning approach of spaced repetition. The free practice quizzes linked throughout this article are designed to reinforce the most clinically important diabetes concepts while helping you identify exactly which areas need more focused review before your next assessment.
Diabetes Questions and Answers
About the Author

Educational Psychologist & Academic Test Preparation Expert
Columbia University Teachers CollegeDr. Lisa Patel holds a Doctorate in Education from Columbia University Teachers College and has spent 17 years researching standardized test design and academic assessment. She has developed preparation programs for SAT, ACT, GRE, LSAT, UCAT, and numerous professional licensing exams, helping students of all backgrounds achieve their target scores.


